221123313343 has 8 divisors (see below), whose sum is σ = 222064156800. Its totient is φ = 220184275608.

The previous prime is 221123313319. The next prime is 221123313347. The reversal of 221123313343 is 343313321122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221123313343 - 2²⁹ = 220586442431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221123313347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205713 + ... + 696106.

It is an arithmetic number, because the mean of its divisors is an integer number (27758019600).

Almost surely, 2^221123313343 is an apocalyptic number.

221123313343 is a deficient number, since it is larger than the sum of its proper divisors (940843457).

221123313343 is an equidigital number, since it uses as much as digits as its factorization.

221123313343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902861.

The product of its digits is 7776, while the sum is 28.

Adding to 221123313343 its reverse (343313321122), we get a palindrome (564436634465).

The spelling of 221123313343 in words is "two hundred twenty-one billion, one hundred twenty-three million, three hundred thirteen thousand, three hundred forty-three".